A study of the hydration characteristics of <em>Phyllostachys praecox</em> wood-cement-water mixtures

YU You-ming; YU Xue-jun; YU Qiong-hua; FU Shen-yuan; JIANG Zhi-hong

Volume 21 Issue 1

Feb. 2017

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YU You-ming, YU Xue-jun, YU Qiong-hua, FU Shen-yuan, JIANG Zhi-hong. A study of the hydration characteristics of Phyllostachys praecox wood-cement-water mixtures[J]. Journal of Zhejiang A&F University, 2004, 21(1): 1-5.

Citation:

YU You-ming, YU Xue-jun, YU Qiong-hua, FU Shen-yuan, JIANG Zhi-hong. A study of the hydration characteristics of Phyllostachys praecox wood-cement-water mixtures[J]. Journal of Zhejiang A&F University, 2004, 21(1): 1-5.

A study of the hydration characteristics of Phyllostachys praecox wood-cement-water mixtures

1.
College of Wood Industry , Nanjing Forestry University , Nanjing 210037 , Jiangsu , China;
2.
.School of Engineering , Zhejiang Forestry College , Lin’an 311300 , Zhejiang , China;
3.
School of Life Sciences , Zhejiang Forestry College , Lin’an 311300, Zhejiang , China;
4.
Forest Enterprise of Lin’an City , Lin’an 311300 , Zhejiang , China

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Author Bio:
俞友明(1969-), 男, 浙江武义人, 讲师, 从事木材和木质复合材料研究。E-mail: yuyouming@zjfc.edu.cn
Corresponding author: 俞友明(1969-), 男, 浙江武义人, 讲师, 从事木材和木质复合材料研究。
Received Date: 2003-10-22
Rev Recd Date: 2003-12-24
Publish Date: 2004-03-20

Abstract

The compatibility of Phyllostachys praecox and cement is studied with the method of measuring hydration in the P .praecox wood-cement-water system .The inhibitory index I and the compatibility factor CA are applied to evaluation of its compatibility .The results show that P .praecox wood has serious inhibition on the hydration of cements.The inhibitory index I and the compatibility factor CA to two cements are and less than 68 % respectively .Additives can improve compatibility of P .praecox wood and cements .Additives effects are as follows :CaCl2 BaCl2 NaClNa2SiO3 .Pretreatments can also improve its compatibility with cements .Adding CaCl2 after pretreatment with cold water , hot water and 10 gkg-1NaOH, the inhibitory indexes I to grade 425 cement are 13.0 %, 10.0 %, 9.5 % respectively ;to grade 525 cement are 11.0 %, 9.0 %, 7.3 %;the compatibility factors CA to two kinds of cement are both greater than 68 %.Different cements have different effects on the hydration characteristics of P .praecox wood-cement-water mixture .The compatibility between P .praecox and grade 525 cement is better than that between P .praecox and grade 425 cement .[ Ch , 2 fig.4 tab .18 ref.]
- wood processing,
- Phyllostachys praecox,
- bamboo wood,
- cement,
- mixture,
- hydration characteristics

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

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A study of the hydration characteristics of Phyllostachys praecox wood-cement-water mixtures

1. College of Wood Industry , Nanjing Forestry University , Nanjing 210037 , Jiangsu , China;

2. .School of Engineering , Zhejiang Forestry College , Lin’an 311300 , Zhejiang , China;

3. School of Life Sciences , Zhejiang Forestry College , Lin’an 311300, Zhejiang , China;

4. Forest Enterprise of Lin’an City , Lin’an 311300 , Zhejiang , China

Author Bio:

Corresponding author: 俞友明(1969-), 男, 浙江武义人, 讲师, 从事木材和木质复合材料研究。

Received Date: 2003-10-22

Rev Recd Date: 2003-12-24

Publish Date: 2004-03-20

Key words:

Abstract: The compatibility of Phyllostachys praecox and cement is studied with the method of measuring hydration in the P .praecox wood-cement-water system .The inhibitory index I and the compatibility factor CA are applied to evaluation of its compatibility .The results show that P .praecox wood has serious inhibition on the hydration of cements.The inhibitory index I and the compatibility factor CA to two cements are and less than 68 % respectively .Additives can improve compatibility of P .praecox wood and cements .Additives effects are as follows :CaCl2 BaCl2 NaClNa2SiO3 .Pretreatments can also improve its compatibility with cements .Adding CaCl2 after pretreatment with cold water , hot water and 10 gkg-1NaOH, the inhibitory indexes I to grade 425 cement are 13.0 %, 10.0 %, 9.5 % respectively ;to grade 525 cement are 11.0 %, 9.0 %, 7.3 %;the compatibility factors CA to two kinds of cement are both greater than 68 %.Different cements have different effects on the hydration characteristics of P .praecox wood-cement-water mixture .The compatibility between P .praecox and grade 525 cement is better than that between P .praecox and grade 425 cement .[ Ch , 2 fig.4 tab .18 ref.]

A study of the hydration characteristics of Phyllostachys praecox wood-cement-water mixtures

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A study of the hydration characteristics of Phyllostachys praecox wood-cement-water mixtures

Corresponding author: 俞友明(1969-), 男, 浙江武义人, 讲师, 从事木材和木质复合材料研究。

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A study of the hydration characteristics of Phyllostachys praecox wood-cement-water mixtures

Corresponding author: 俞友明(1969-), 男, 浙江武义人, 讲师, 从事木材和木质复合材料研究。

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